@charset "UTF-8";
@media screen and (max-width: 900px) {

  /*--------------------------------------------------------
  定数
  --------------------------------------------------------*/
  .visible900 {
    display: block;
    margin: auto;
  }

  .hidden900 {
    display: none;
  }

  /*--------------------------------------------------------
  定数（基本的に、全サイト共通に使えるもの）
  --------------------------------------------------------*/
  /*--------------------------------------------------------
  サイト毎に変化のある定数
  --------------------------------------------------------*/
  .contents {
    width: 100%;
  }

  .img_center {
    margin-left: 0px;
  }

  img {
    max-width: 100%;
    height: auto;
  }

  .modal-bg {
    padding: 3.5vw;
  }

  /*--------------------------------------------------------
  ↑↑↑ 各種レイアウト ↑↑↑
  --------------------------------------------------------*/
}

@media screen and (max-width: 850px) {

}

@media screen and (max-width: 768px) {
  /*--------------------------------------------------------
  ↓↓↓ 各種レイアウト ↓↓↓
  --------------------------------------------------------*/
  /*--------------------------------------------------------
  ↑↑↑ 各種レイアウト ↑↑↑
  --------------------------------------------------------*/
}

@media screen and (max-width: 600px) {
  .visible600 {
    display: block;
    margin: auto;
  }

  .hidden600 {
    display: none;
  }

  body {
    font-size: 1.6rem;
  }

  /*todo 要調査*/
  /*--------------------------------------------------------
  ↓↓↓ 各種レイアウト ↓↓↓
  --------------------------------------------------------*/
  .copyright,
  .copyright a {
    font-size: 16px;
  }

  /*--------------------------------------------------------
  ↑↑↑ 各種レイアウト ↑↑↑
  --------------------------------------------------------*/
}

@media screen and (max-width: 500px) {
  .visible500 {
    display: block;
    margin: auto;
  }

  .hidden500 {
    display: none;
  }

  /*--------------------------------------------------------
  ↓↓↓ 各種レイアウト ↓↓↓
  --------------------------------------------------------*/
  /*--------------------------------------------------------
  ↑↑↑ 各種レイアウト ↑↑↑
  --------------------------------------------------------*/
}

@media screen and (max-width: 450px) {

  .copyright,
  .copyright a {
    font-size: 13px;
  }
}

@media screen and (max-width: 400px) {
  .visible400 {
    display: block;
    margin: auto;
  }

  .hidden400 {
    display: none;
  }
}

@media screen and (max-width: 350px) {
  .visible400 {
    display: block;
    margin: auto;
  }

  .hidden400 {
    display: none;
  }
}

@media screen and (max-width: 319px) {

  body {
    overflow-x: visible;
  }

  .contents {
    min-width: 320px;
  }

  .contents1800 {
    min-width: 320px;
  }

  header {
    min-width: 320px;
  }

  footer {
    min-width: 320px;
  }

}